Science!!!!!

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Across
  1. 1. the hunted type of animals.
  2. 2. a creature that births live young
  3. 4. a living creature
  4. 5. ph of 7
  5. 9. eats only meat.
  6. 11. a type of 8 legged mammal.
  7. 13. can cause lung cancer when used excessively
  8. 14. used to change the colour to acids and alkali
  9. 16. a animal that only has few left on earth
  10. 18. ph scale from 1-4
  11. 19. gets energy from plants and animals.
Down
  1. 1. it gets energy from the sun.
  2. 3. a diagram that links plants and animal's diets.
  3. 6. a creature that no longer exists
  4. 7. has a backbone.
  5. 8. hunts other animals.
  6. 10. eats plants and meats.
  7. 12. Has no backbone.
  8. 15. it only eats plants.
  9. 17. ph scale from 11-14